Modsecurity
Vendor:
First CVE: Jul 3, 2018 · Active for 8 years
15
Total CVEs
More Total CVEs than 92% of tracked products
2.1
Avg CVEs / Year
Higher CVE frequency than 73% of tracked products
7.2
Avg CVSS
Higher Avg CVSS than 44% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Modsecurity over time
Volume of CVEsAvg CVSS Base Score
First CVE
Jul 3, 2018
8 years ago
Most Recent CVE
Jul 10, 2026
14 days ago
CVE Severity & Scoring
Modsecurity15 CVEs
27%
73%
All CVEs352,294 CVEs
45%
40%
11%
MediumHigh
Attack Vector
Local0 (0.0%)
Network15 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low15 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None13 (86.7%)
Unknown0 (0.0%)
Required2 (13.3%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None15 (100.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (15 CVEs).
15 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-52747HIGH ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Prior to 3.0.16, the multipart/form-data request body parser in libmo | Jul 10, 2026 | 8.6 | 41 | NO | NO |
CVE-2026-30923HIGH ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segm | May 5, 2026 | 7.5 | 30 | NO | NO |
CVE-2026-52761MEDIUM ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 through 3.0.15, the t:utf8toUnicode transformation in src/ | Jul 10, 2026 | 5.3 | 29 | NO | NO |
CVE-2026-42268HIGH ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 to before 3.0.15, there is an unhandled exception (std::ou | May 12, 2026 | 7.5 | 27 | NO | NO |
CVE-2024-1019HIGH ModSecurity / libModSecurity 3.0.0 to 3.0.11 is affected by a WAF bypass for path-based payloads submitted via specially crafted request URLs. ModSecurity v3 decodes percent-encode | Jan 30, 2024 | 8.6 | 27 | NO | NO |
CVE-2021-42717HIGH ModSecurity 3.x through 3.0.5 mishandles excessively nested JSON objects. Crafted JSON objects with nesting tens-of-thousands deep could result in the web server being unable to se | Dec 7, 2021 | 7.5 | 26 | NO | NO |
CVE-2019-19886HIGH Trustwave ModSecurity 3.0.0 through 3.0.3 allows an attacker to send crafted requests that may, when sent quickly in large volumes, lead to the server becoming slow or unresponsive | Jan 21, 2020 | 7.5 | 26 | NO | NO |
CVE-2025-54571MEDIUM ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11
and below, an attacker can override the HTTP respo | Aug 6, 2025 | 6.1 | 24 | NO | NO |
CVE-2025-48866HIGH ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Versions prior to 2.9.10 contain a denial of service vulnerability si | Jun 2, 2025 | 7.5 | 24 | NO | NO |
CVE-2022-48279HIGH In ModSecurity before 2.9.6 and 3.x before 3.0.8, HTTP multipart requests were incorrectly parsed and could bypass the Web Application Firewall. NOTE: this is related to CVE-2022-3 | Jan 20, 2023 | 7.5 | 24 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (15 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (15 CVEs).
Media Mentions
Signals from CVEs in this product scope (15 CVEs).
Top CNAs Publishing CVEs For Modsecurity
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 3.0.0 | 1 | 6.1 | 1.4% | 0 | 0 |